Renesas' highly versatile battery charger ICs support devices with rechargeable 2, 3 or 4-cell batteries and include configurations such as a hybrid power boost (HPB), narrow output voltage DC (NVDC), buck-boost NVDC, and SMBus Level 2.

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アプリケーションノート、ホワイトペーパー
Understanding USB-C Buck-Boost Battery Charging 简体中文 ホワイトペーパー PDF 439 KB
Five Easy Steps to Create a Multi-Load Power Solution – ホワイトペーパー PDF 846 KB
Inside a New Architecture for USB Type-C Applications – ホワイトペーパー PDF 320 KB
その他資料
USB PD でUSB給電がさらに便利に English カタログ PDF 1011 KB
Optimizing Mobile Computing System Performance with a New USB-C Combo Buck-Boost Battery Charger – カタログ PDF 555 KB
info: For device-specific or order-specific documentation, submit a support request.

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Input Voltage (Min) (V) Input Voltage (Max) (V) Input Current Limit Accuracy (% (±)) Battery Charge Voltage Charging Voltage Accuracy (Max) (±%) Battery Charge Voltage Adjustment Charge Current Limit Accuracy Trickle Charge Current Limit/Accuracy Automatic Trickle Charge (Typical) Battery Leakage Current (Max) Automatic Power Source Selection DC Adapter Detection Topology [Rail 1] Switching Frequency Range (Typical) (kHz) Duty Cycle (%) Battery Chemistry Input Voltage Range (V) Qualification Level
ISL6251
Low Cost Multi-Chemistry Battery Charger Controller		 7 25 3 3S, 4.2/Cell (2S, 4S) ±0.5 ±5/Cell ±5 (CHLIM=2.0V) ±50 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) No No Fixed Frequency Synchronous Buck 300 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL6251A
Low Cost Multi-Chemistry Battery Charger Controller		 7 25 3 3S, 4.2/Cell (2S, 4S) ±0.5 ±5/Cell ±3 (CHLIM=2.0V) ±25 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) No No Fixed Frequency Synchronous Buck 300 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL6255
Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers		 7 25 3 3S, 4.2/Cell (2S, 4S) ±0.5 ±5/Cell ±5 (CHLIM=2.0V) ±50 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL6255A
Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers		 7 25 3 3S, 4.2/Cell (2S, 4S) ±0.5 ±5/Cell ±3 (CHLIM=2.0V) ±25 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL6256
Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers		 7 25 3 3S, 4.2/Cell (2S, 4S) ±0.5 ±5/Cell ±3 (CHLIM=2.0V) ±25 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.6 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL6256A
Highly Integrated Battery Charger with Automatic Power Source Selector for Notebook Computers		 7 25 3 3S, 4.2/Cell (2S, 4S) ±0.5 ±5/Cell ±3 (CHLIM=2.0V) ±25 (CHLIM=0.2V) No (Set by Host) 10μA (DCIN=0V, No System Load) Yes Yes Fixed Frequency Synchronous Buck 300 99.6 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL88731
SMBus Level 2 Battery Charger		 7 25 3 2.7 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL88731A
SMBus Level 2 Battery Charger		 7 25 3 2.7 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL88731C
SMBus Level 2 Battery Charger		 7 25 3 2.7 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.9 Multi-Cell Li+/Polymer 7 - 25 Standard
ISL88732
SMBus Level 2 Battery Charger with Boost Mode		 8 22 3 1.024 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard
ISL88733
SMBus Level 2 Battery Charger		 8 22 4 1.024 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard
ISL88739
Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger With SMBus Interface		 8 22 3 1.024 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard
ISL88739A
Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface		 8 22 3 1.024 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard
ISL88739B
Hybrid Power Boost (HPB) Battery Charger with SMBus Interface		 8 22 3 1.024 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard
ISL88750
Narrow VDC (NVDC) Battery Charger with SMBus Interface		 8 22 3 1.024 to 19.2 in 16mV Steps ±0.5 16mV steps ±3 64mA to 220mA 2.7 2μA (DCIN=0V, No System Load) No (Set by Host) No (Set by Host) Fixed Frequency Synchronous Buck 400 99.6 Multi-Cell Li+/Polymer 8 - 22 Standard
ISL9237
Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG		 3.2 23.4 2.4 to 13.824 ±0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard
ISL9238
Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG		 3.2 23.4 2.4 to 18.304 ±0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard
ISL9238B
Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG		 3.2 23.4 2.4 to 18.304 ±0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard
ISL9238C
Buck-Boost Narrow VDC Battery Charger with SMBus Interface and USB OTG
ISL9241
Buck-Boost Configurable Battery Charger with SMBus Interface and USB Power Delivery		 3.9 23.4 3.9 to 18.304 ±0.5 8mV steps ±3 64mA, 96mA, 128mA, 160mA, 192mA, 224mA, or 256mA Yes Yes R3 modulator 600 - 1420 100 Multi-Cell Li+/Polymer 3.9 - 23.4 Standard
ISL9519
Narrow VDC Regulator/Charger with SMBus Interface		 4.5 22 3 2V to 16.3V in 16mV Steps ±0.5 16mV steps ±3 166A to 346mA 4.7 25μA (DCIN=0V, No System Load) Yes Yes Variable Frequency Synchronous Buck 400 99 Multi-Cell Li+/Polymer 4.5 - 22 Standard
ISL9520
Narrow VDC Regulator/Charger with SMBus Interface		 9 22 3 2.5V to 19V in 16mV Steps ±0.5 16mV steps ±3 256mA 4.7 25μA (DCIN=0V, No System Load) No Yes Variable Frequency Synchronous Buck 400 Multi-Cell Li+/Polymer 9 - 22 Standard
ISL95338
Bidirectional Buck-Boost Voltage Regulator		 3.8 24 up to 20V 12mV steps Voltage sensing Buck-Boost 620 100 3.8 - 24 Standard
ISL9538B
Buck-Boost Narrow VDC Battery Charger with SMBus Interface		 3.2 23.4 2.4 to 18.304 ±0.5 8mV steps ±3 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard
ISL9538C
Buck-Boost Narrow VDC Battery Charger with SMBus Interface
ISL95520
SMBus Interface Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Configurations Combo Battery Charger		 4.75 25 2 2-4 cell battery, 16mV step ±0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard
ISL95521
Hybrid Power Boost and Narrow VDC Configurations Combination Battery Charger with SMBus Interface		 4.75 25 2 2-4 cell battery, 16mV step ±0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard
ISL95521A
Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface		 4.75 25 2 2-4 cell battery, 16mV step ±0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard
ISL95521B
Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface		 4.75 25 2 2-4 cell battery, 16mV step ±0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245uA Yes Yes R3 modulator 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard
ISL95522
Hybrid Power Boost (HPB) and Narrow VDC (NVDC) Combo Battery Charger with SMBus Interface		 4.75 25 2 2-4 cell battery, 16mV step 0.75 16mV steps ±2 128mA or 64mA, 256mA Set by user 245 µA Yes Yes 350 - 1000 Multi-Cell Li+/Polymer 4.75 - 25 Standard
ISL95538B
Buck-Boost Narrow VDC Battery Charger for Power Bank Application with SMBus Interface and USB OTG		 3.2 23.4 3 to 18.304 ±0.5 8mV steps ±2 64mA, 128mA, 256mA, or 512mA Yes Yes R3 modulator 733 - 1000 100 Multi-Cell Li+/Polymer 3.2 - 23.4 Standard